<textarea id="list" class="toolarea">编程素材网
www.1sucai.cn
www.baidu.com
www.1sucai.cn
编程素材网
shouce.jb51.net
www.1sucai.cn
tools.jb51.net
www.baidu.com
shouce.jb51.net
tools.jb51.net
编程素材网
www.1sucai.cn</textarea>
<input type="button" onclick="process()" value="去重处理" class="bt-green">

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}
</script>

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